id:A047839 - OEIS Search Results

Search: id:A047839

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n+[ sqrt(2*n) ].

+0
2

2, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 72, 73, 74, 75, 76, 77, 78, 79 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) a(n)=if(n<0, 0, n+sqrtint(2*n))`
	CROSSREFS	`Complement of A047838.` `Sequence in context: A081694 A145395 A049692 this_sequence A139255 A004773 A104401` `Adjacent sequences: A047836 A047837 A047838 this_sequence A047840 A047841 A047842`
	KEYWORD	`nonn`
	AUTHOR	`Michael Somos`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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